1aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger/* 2aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger * iprule.c "ip rule". 3aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger * 4aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger * This program is free software; you can redistribute it and/or 5aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger * modify it under the terms of the GNU General Public License 6aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger * as published by the Free Software Foundation; either version 7aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger * 2 of the License, or (at your option) any later version. 8aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger * 9aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger * Authors: Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru> 10aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger * 11aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger */ 12aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 13aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <stdio.h> 14aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <stdlib.h> 15aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <unistd.h> 16aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <syslog.h> 17aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <fcntl.h> 18aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <sys/socket.h> 19aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <netinet/in.h> 20aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <netinet/ip.h> 21aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <arpa/inet.h> 22aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <string.h> 233123a0ccdd6b2f0b30c9e7d87c4a698577b3e5a5Thomas Graf#include <linux/fib_rules.h> 24aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 25aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include "rt_names.h" 26aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include "utils.h" 2734e9564753075c756f96597e7aa57f969a403aafPatrick McHardy#include "ip_common.h" 28aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 29351efcde4e62967362a10b29f3b701cfecd7cdfcshemmingerextern struct rtnl_handle rth; 30351efcde4e62967362a10b29f3b701cfecd7cdfcshemminger 31aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerstatic void usage(void) __attribute__((noreturn)); 32aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 33aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerstatic void usage(void) 34aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 3550772dc51ac02239958e1ebcdb21277fcdf133a7osdl.net!shemminger fprintf(stderr, "Usage: ip rule [ list | add | del | flush ] SELECTOR ACTION\n"); 36be7f286e8353cc947c6d2a74b21989af23988812Patrick McHardy fprintf(stderr, "SELECTOR := [ not ] [ from PREFIX ] [ to PREFIX ] [ tos TOS ] [ fwmark FWMARK[/MASK] ]\n"); 37b7a3df0f3c56c10587e926307daaa87fc3b854bfLorenzo Colitti fprintf(stderr, " [ iif STRING ] [ oif STRING ] [ pref NUMBER ] [ uidrange UID1-UID2 ]\n"); 38526afe400887be9b3168ef3c92c6b6ec3e184f5fnet[shemminger]!shemminger fprintf(stderr, "ACTION := [ table TABLE_ID ]\n"); 39aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(stderr, " [ prohibit | reject | unreachable ]\n"); 40aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(stderr, " [ realms [SRCREALM/]DSTREALM ]\n"); 416b469caefd0fd8ff52a43308d7a47a75fb05a3deThomas Graf fprintf(stderr, " [ goto NUMBER ]\n"); 42aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(stderr, "TABLE_ID := [ local | main | default | NUMBER ]\n"); 43aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger exit(-1); 44aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 45aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 4698bde989db679153ee7a5f6425037b5a002eb95dThomas Grafint print_rule(const struct sockaddr_nl *who, struct nlmsghdr *n, void *arg) 47aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 48aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger FILE *fp = (FILE*)arg; 49aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger struct rtmsg *r = NLMSG_DATA(n); 50aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int len = n->nlmsg_len; 51aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int host_len = -1; 52b7a3df0f3c56c10587e926307daaa87fc3b854bfLorenzo Colitti __u32 table, uid_start, uid_end; 53ad1a12dbd023946695caade199707aaafa6cc560Patrick McHardy struct rtattr * tb[FRA_MAX+1]; 54aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger char abuf[256]; 55aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger SPRINT_BUF(b1); 56aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 5798bde989db679153ee7a5f6425037b5a002eb95dThomas Graf if (n->nlmsg_type != RTM_NEWRULE && n->nlmsg_type != RTM_DELRULE) 58aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return 0; 59aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 60aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger len -= NLMSG_LENGTH(sizeof(*r)); 61aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (len < 0) 62aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 63aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 64ad1a12dbd023946695caade199707aaafa6cc560Patrick McHardy parse_rtattr(tb, FRA_MAX, RTM_RTA(r), len); 65aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 66aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (r->rtm_family == AF_INET) 67aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger host_len = 32; 68aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger else if (r->rtm_family == AF_INET6) 69aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger host_len = 128; 70aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger else if (r->rtm_family == AF_DECnet) 71aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger host_len = 16; 72aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger else if (r->rtm_family == AF_IPX) 73aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger host_len = 80; 74aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 7598bde989db679153ee7a5f6425037b5a002eb95dThomas Graf if (n->nlmsg_type == RTM_DELRULE) 7698bde989db679153ee7a5f6425037b5a002eb95dThomas Graf fprintf(fp, "Deleted "); 7798bde989db679153ee7a5f6425037b5a002eb95dThomas Graf 78ad1a12dbd023946695caade199707aaafa6cc560Patrick McHardy if (tb[FRA_PRIORITY]) 79ad1a12dbd023946695caade199707aaafa6cc560Patrick McHardy fprintf(fp, "%u:\t", *(unsigned*)RTA_DATA(tb[FRA_PRIORITY])); 80aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger else 81aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(fp, "0:\t"); 82aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 833123a0ccdd6b2f0b30c9e7d87c4a698577b3e5a5Thomas Graf if (r->rtm_flags & FIB_RULE_INVERT) 843123a0ccdd6b2f0b30c9e7d87c4a698577b3e5a5Thomas Graf fprintf(fp, "not "); 853123a0ccdd6b2f0b30c9e7d87c4a698577b3e5a5Thomas Graf 86ad1a12dbd023946695caade199707aaafa6cc560Patrick McHardy if (tb[FRA_SRC]) { 87aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (r->rtm_src_len != host_len) { 88aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(fp, "from %s/%u ", rt_addr_n2a(r->rtm_family, 89ad1a12dbd023946695caade199707aaafa6cc560Patrick McHardy RTA_PAYLOAD(tb[FRA_SRC]), 90ad1a12dbd023946695caade199707aaafa6cc560Patrick McHardy RTA_DATA(tb[FRA_SRC]), 91aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger abuf, sizeof(abuf)), 92aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger r->rtm_src_len 93aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger ); 94aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } else { 95aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(fp, "from %s ", format_host(r->rtm_family, 96ad1a12dbd023946695caade199707aaafa6cc560Patrick McHardy RTA_PAYLOAD(tb[FRA_SRC]), 97ad1a12dbd023946695caade199707aaafa6cc560Patrick McHardy RTA_DATA(tb[FRA_SRC]), 98aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger abuf, sizeof(abuf)) 99aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger ); 100aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 101aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } else if (r->rtm_src_len) { 102aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(fp, "from 0/%d ", r->rtm_src_len); 103aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } else { 104aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(fp, "from all "); 105aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 106aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 107ad1a12dbd023946695caade199707aaafa6cc560Patrick McHardy if (tb[FRA_DST]) { 108aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (r->rtm_dst_len != host_len) { 109aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(fp, "to %s/%u ", rt_addr_n2a(r->rtm_family, 110ad1a12dbd023946695caade199707aaafa6cc560Patrick McHardy RTA_PAYLOAD(tb[FRA_DST]), 111ad1a12dbd023946695caade199707aaafa6cc560Patrick McHardy RTA_DATA(tb[FRA_DST]), 112aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger abuf, sizeof(abuf)), 113aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger r->rtm_dst_len 114aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger ); 115aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } else { 116aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(fp, "to %s ", format_host(r->rtm_family, 117ad1a12dbd023946695caade199707aaafa6cc560Patrick McHardy RTA_PAYLOAD(tb[FRA_DST]), 118ad1a12dbd023946695caade199707aaafa6cc560Patrick McHardy RTA_DATA(tb[FRA_DST]), 119aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger abuf, sizeof(abuf))); 120aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 121aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } else if (r->rtm_dst_len) { 122aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(fp, "to 0/%d ", r->rtm_dst_len); 123aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 124aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 125aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (r->rtm_tos) { 126aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger SPRINT_BUF(b1); 127aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(fp, "tos %s ", rtnl_dsfield_n2a(r->rtm_tos, b1, sizeof(b1))); 128aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 129ad1a12dbd023946695caade199707aaafa6cc560Patrick McHardy 130ad1a12dbd023946695caade199707aaafa6cc560Patrick McHardy if (tb[FRA_FWMARK] || tb[FRA_FWMASK]) { 131be7f286e8353cc947c6d2a74b21989af23988812Patrick McHardy __u32 mark = 0, mask = 0; 132be7f286e8353cc947c6d2a74b21989af23988812Patrick McHardy 133ad1a12dbd023946695caade199707aaafa6cc560Patrick McHardy if (tb[FRA_FWMARK]) 134ff24746cca1ef0c92d46614158e6672acd6b63d3Stephen Hemminger mark = rta_getattr_u32(tb[FRA_FWMARK]); 135be7f286e8353cc947c6d2a74b21989af23988812Patrick McHardy 136ad1a12dbd023946695caade199707aaafa6cc560Patrick McHardy if (tb[FRA_FWMASK] && 137ff24746cca1ef0c92d46614158e6672acd6b63d3Stephen Hemminger (mask = rta_getattr_u32(tb[FRA_FWMASK])) != 0xFFFFFFFF) 138be7f286e8353cc947c6d2a74b21989af23988812Patrick McHardy fprintf(fp, "fwmark 0x%x/0x%x ", mark, mask); 13981c61790d5927dc6ca168b2183000a3efc7bc493Stephen Hemminger else 140be7f286e8353cc947c6d2a74b21989af23988812Patrick McHardy fprintf(fp, "fwmark 0x%x ", mark); 141aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 142aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 143ad1a12dbd023946695caade199707aaafa6cc560Patrick McHardy if (tb[FRA_IFNAME]) { 144ff24746cca1ef0c92d46614158e6672acd6b63d3Stephen Hemminger fprintf(fp, "iif %s ", rta_getattr_str(tb[FRA_IFNAME])); 14585eae222d252546435bb5638b15d46ccfc9df32aPatrick McHardy if (r->rtm_flags & FIB_RULE_IIF_DETACHED) 14685eae222d252546435bb5638b15d46ccfc9df32aPatrick McHardy fprintf(fp, "[detached] "); 14785eae222d252546435bb5638b15d46ccfc9df32aPatrick McHardy } 14885eae222d252546435bb5638b15d46ccfc9df32aPatrick McHardy 14985eae222d252546435bb5638b15d46ccfc9df32aPatrick McHardy if (tb[FRA_OIFNAME]) { 150ff24746cca1ef0c92d46614158e6672acd6b63d3Stephen Hemminger fprintf(fp, "oif %s ", rta_getattr_str(tb[FRA_OIFNAME])); 15185eae222d252546435bb5638b15d46ccfc9df32aPatrick McHardy if (r->rtm_flags & FIB_RULE_OIF_DETACHED) 1526b469caefd0fd8ff52a43308d7a47a75fb05a3deThomas Graf fprintf(fp, "[detached] "); 153aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 154aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 155b7a3df0f3c56c10587e926307daaa87fc3b854bfLorenzo Colitti if (tb[FRA_UID_START] || tb[FRA_UID_END]) { 156b7a3df0f3c56c10587e926307daaa87fc3b854bfLorenzo Colitti fprintf(fp, "uidrange "); 157b7a3df0f3c56c10587e926307daaa87fc3b854bfLorenzo Colitti if (tb[FRA_UID_START]) 158b7a3df0f3c56c10587e926307daaa87fc3b854bfLorenzo Colitti fprintf(fp, "%u", rta_getattr_u32(tb[FRA_UID_START])); 159b7a3df0f3c56c10587e926307daaa87fc3b854bfLorenzo Colitti else 160b7a3df0f3c56c10587e926307daaa87fc3b854bfLorenzo Colitti fprintf(fp, "???"); 161b7a3df0f3c56c10587e926307daaa87fc3b854bfLorenzo Colitti 162b7a3df0f3c56c10587e926307daaa87fc3b854bfLorenzo Colitti if (tb[FRA_UID_END]) 163b7a3df0f3c56c10587e926307daaa87fc3b854bfLorenzo Colitti fprintf(fp, "-%u ", rta_getattr_u32(tb[FRA_UID_END])); 164b7a3df0f3c56c10587e926307daaa87fc3b854bfLorenzo Colitti else 165b7a3df0f3c56c10587e926307daaa87fc3b854bfLorenzo Colitti fprintf(fp, "-??? "); 166b7a3df0f3c56c10587e926307daaa87fc3b854bfLorenzo Colitti } 167b7a3df0f3c56c10587e926307daaa87fc3b854bfLorenzo Colitti 16834e9564753075c756f96597e7aa57f969a403aafPatrick McHardy table = rtm_get_table(r, tb); 16934e9564753075c756f96597e7aa57f969a403aafPatrick McHardy if (table) 17034e9564753075c756f96597e7aa57f969a403aafPatrick McHardy fprintf(fp, "lookup %s ", rtnl_rttable_n2a(table, b1, sizeof(b1))); 171aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 172ad1a12dbd023946695caade199707aaafa6cc560Patrick McHardy if (tb[FRA_FLOW]) { 173ff24746cca1ef0c92d46614158e6672acd6b63d3Stephen Hemminger __u32 to = rta_getattr_u32(tb[FRA_FLOW]); 174aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger __u32 from = to>>16; 175aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger to &= 0xFFFF; 176aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (from) { 177aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(fp, "realms %s/", 178aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger rtnl_rtrealm_n2a(from, b1, sizeof(b1))); 179aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 180aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(fp, "%s ", 181aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger rtnl_rtrealm_n2a(to, b1, sizeof(b1))); 182aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 183aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 184aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (r->rtm_type == RTN_NAT) { 185aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (tb[RTA_GATEWAY]) { 186ae665a522bd46bea44c5ea84c89c8b1731954170Stephen Hemminger fprintf(fp, "map-to %s ", 187aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger format_host(r->rtm_family, 188aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger RTA_PAYLOAD(tb[RTA_GATEWAY]), 189aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger RTA_DATA(tb[RTA_GATEWAY]), 190aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger abuf, sizeof(abuf))); 191aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } else 192aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(fp, "masquerade"); 1936b469caefd0fd8ff52a43308d7a47a75fb05a3deThomas Graf } else if (r->rtm_type == FR_ACT_GOTO) { 1946b469caefd0fd8ff52a43308d7a47a75fb05a3deThomas Graf fprintf(fp, "goto "); 1956b469caefd0fd8ff52a43308d7a47a75fb05a3deThomas Graf if (tb[FRA_GOTO]) 196ff24746cca1ef0c92d46614158e6672acd6b63d3Stephen Hemminger fprintf(fp, "%u", rta_getattr_u32(tb[FRA_GOTO])); 1976b469caefd0fd8ff52a43308d7a47a75fb05a3deThomas Graf else 1986b469caefd0fd8ff52a43308d7a47a75fb05a3deThomas Graf fprintf(fp, "none"); 1996b469caefd0fd8ff52a43308d7a47a75fb05a3deThomas Graf if (r->rtm_flags & FIB_RULE_UNRESOLVED) 2006b469caefd0fd8ff52a43308d7a47a75fb05a3deThomas Graf fprintf(fp, " [unresolved]"); 2016b469caefd0fd8ff52a43308d7a47a75fb05a3deThomas Graf } else if (r->rtm_type == FR_ACT_NOP) 2026b469caefd0fd8ff52a43308d7a47a75fb05a3deThomas Graf fprintf(fp, "nop"); 2036b469caefd0fd8ff52a43308d7a47a75fb05a3deThomas Graf else if (r->rtm_type != RTN_UNICAST) 204aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(fp, "%s", rtnl_rtntype_n2a(r->rtm_type, b1, sizeof(b1))); 205aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 206aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(fp, "\n"); 207aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fflush(fp); 208aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return 0; 209aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 210aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 21150772dc51ac02239958e1ebcdb21277fcdf133a7osdl.net!shemmingerstatic int iprule_list(int argc, char **argv) 212aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 213aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int af = preferred_family; 214aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 215aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (af == AF_UNSPEC) 216aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger af = AF_INET; 217aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 218aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (argc > 0) { 2190284dcde32ccb3181c04f449ea41a0502fb91f07net[shemminger]!shemminger fprintf(stderr, "\"ip rule show\" does not take any arguments.\n"); 220aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 221aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 222aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 223aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (rtnl_wilddump_request(&rth, af, RTM_GETRULE) < 0) { 224aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger perror("Cannot send dump request"); 225aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return 1; 226aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 227aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 228cd70f3f522e04b4d2fa80ae10292379bf223a53bStephen Hemminger if (rtnl_dump_filter(&rth, print_rule, stdout) < 0) { 229aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(stderr, "Dump terminated\n"); 230aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return 1; 231aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 232aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 233aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return 0; 234aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 235aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 236aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 23750772dc51ac02239958e1ebcdb21277fcdf133a7osdl.net!shemmingerstatic int iprule_modify(int cmd, int argc, char **argv) 238aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 239aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int table_ok = 0; 240aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger struct { 241aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger struct nlmsghdr n; 242aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger struct rtmsg r; 243aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger char buf[1024]; 244aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } req; 245aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 246aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger memset(&req, 0, sizeof(req)); 247aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 248aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger req.n.nlmsg_type = cmd; 249aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger req.n.nlmsg_len = NLMSG_LENGTH(sizeof(struct rtmsg)); 250aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger req.n.nlmsg_flags = NLM_F_REQUEST; 251aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger req.r.rtm_family = preferred_family; 252aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger req.r.rtm_protocol = RTPROT_BOOT; 253aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger req.r.rtm_scope = RT_SCOPE_UNIVERSE; 254aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger req.r.rtm_table = 0; 255aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger req.r.rtm_type = RTN_UNSPEC; 2563123a0ccdd6b2f0b30c9e7d87c4a698577b3e5a5Thomas Graf req.r.rtm_flags = 0; 257aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 258aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (cmd == RTM_NEWRULE) { 259aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger req.n.nlmsg_flags |= NLM_F_CREATE|NLM_F_EXCL; 260aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger req.r.rtm_type = RTN_UNICAST; 261aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 262aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 263aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger while (argc > 0) { 2643123a0ccdd6b2f0b30c9e7d87c4a698577b3e5a5Thomas Graf if (strcmp(*argv, "not") == 0) { 2653123a0ccdd6b2f0b30c9e7d87c4a698577b3e5a5Thomas Graf req.r.rtm_flags |= FIB_RULE_INVERT; 2663123a0ccdd6b2f0b30c9e7d87c4a698577b3e5a5Thomas Graf } else if (strcmp(*argv, "from") == 0) { 267aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger inet_prefix dst; 268aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger NEXT_ARG(); 269aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger get_prefix(&dst, *argv, req.r.rtm_family); 270aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger req.r.rtm_src_len = dst.bitlen; 271ad1a12dbd023946695caade199707aaafa6cc560Patrick McHardy addattr_l(&req.n, sizeof(req), FRA_SRC, &dst.data, dst.bytelen); 272aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } else if (strcmp(*argv, "to") == 0) { 273aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger inet_prefix dst; 274aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger NEXT_ARG(); 275aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger get_prefix(&dst, *argv, req.r.rtm_family); 276aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger req.r.rtm_dst_len = dst.bitlen; 277ad1a12dbd023946695caade199707aaafa6cc560Patrick McHardy addattr_l(&req.n, sizeof(req), FRA_DST, &dst.data, dst.bytelen); 278aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } else if (matches(*argv, "preference") == 0 || 279aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger matches(*argv, "order") == 0 || 280aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger matches(*argv, "priority") == 0) { 281aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger __u32 pref; 282aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger NEXT_ARG(); 283aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (get_u32(&pref, *argv, 0)) 284aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger invarg("preference value is invalid\n", *argv); 285ad1a12dbd023946695caade199707aaafa6cc560Patrick McHardy addattr32(&req.n, sizeof(req), FRA_PRIORITY, pref); 286dec01609dc62d2137ed83c8ebccd2eef49d7aa97Arnd Hannemann } else if (strcmp(*argv, "tos") == 0 || 287dec01609dc62d2137ed83c8ebccd2eef49d7aa97Arnd Hannemann matches(*argv, "dsfield") == 0) { 288aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger __u32 tos; 289aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger NEXT_ARG(); 290aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (rtnl_dsfield_a2n(&tos, *argv)) 291aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger invarg("TOS value is invalid\n", *argv); 292aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger req.r.rtm_tos = tos; 293aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } else if (strcmp(*argv, "fwmark") == 0) { 294be7f286e8353cc947c6d2a74b21989af23988812Patrick McHardy char *slash; 295be7f286e8353cc947c6d2a74b21989af23988812Patrick McHardy __u32 fwmark, fwmask; 296aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger NEXT_ARG(); 297be7f286e8353cc947c6d2a74b21989af23988812Patrick McHardy if ((slash = strchr(*argv, '/')) != NULL) 298be7f286e8353cc947c6d2a74b21989af23988812Patrick McHardy *slash = '\0'; 2994fb466f9446d42fe3591520bf1b1e9ab7ee54f71org[shemminger]!shemminger if (get_u32(&fwmark, *argv, 0)) 300aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger invarg("fwmark value is invalid\n", *argv); 301ad1a12dbd023946695caade199707aaafa6cc560Patrick McHardy addattr32(&req.n, sizeof(req), FRA_FWMARK, fwmark); 302be7f286e8353cc947c6d2a74b21989af23988812Patrick McHardy if (slash) { 303be7f286e8353cc947c6d2a74b21989af23988812Patrick McHardy if (get_u32(&fwmask, slash+1, 0)) 304be7f286e8353cc947c6d2a74b21989af23988812Patrick McHardy invarg("fwmask value is invalid\n", slash+1); 305ad1a12dbd023946695caade199707aaafa6cc560Patrick McHardy addattr32(&req.n, sizeof(req), FRA_FWMASK, fwmask); 306be7f286e8353cc947c6d2a74b21989af23988812Patrick McHardy } 307aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } else if (matches(*argv, "realms") == 0) { 308aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger __u32 realm; 309aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger NEXT_ARG(); 310aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (get_rt_realms(&realm, *argv)) 311aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger invarg("invalid realms\n", *argv); 312ad1a12dbd023946695caade199707aaafa6cc560Patrick McHardy addattr32(&req.n, sizeof(req), FRA_FLOW, realm); 313aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } else if (matches(*argv, "table") == 0 || 314aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger strcmp(*argv, "lookup") == 0) { 315f332d169246447bd5e258ac03d5ee840a70adb1eshemminger __u32 tid; 316aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger NEXT_ARG(); 317aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (rtnl_rttable_a2n(&tid, *argv)) 318aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger invarg("invalid table ID\n", *argv); 31934e9564753075c756f96597e7aa57f969a403aafPatrick McHardy if (tid < 256) 32034e9564753075c756f96597e7aa57f969a403aafPatrick McHardy req.r.rtm_table = tid; 32134e9564753075c756f96597e7aa57f969a403aafPatrick McHardy else { 32234e9564753075c756f96597e7aa57f969a403aafPatrick McHardy req.r.rtm_table = RT_TABLE_UNSPEC; 323ad1a12dbd023946695caade199707aaafa6cc560Patrick McHardy addattr32(&req.n, sizeof(req), FRA_TABLE, tid); 32434e9564753075c756f96597e7aa57f969a403aafPatrick McHardy } 325aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger table_ok = 1; 326aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } else if (strcmp(*argv, "dev") == 0 || 327aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger strcmp(*argv, "iif") == 0) { 328aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger NEXT_ARG(); 329ad1a12dbd023946695caade199707aaafa6cc560Patrick McHardy addattr_l(&req.n, sizeof(req), FRA_IFNAME, *argv, strlen(*argv)+1); 33085eae222d252546435bb5638b15d46ccfc9df32aPatrick McHardy } else if (strcmp(*argv, "oif") == 0) { 33185eae222d252546435bb5638b15d46ccfc9df32aPatrick McHardy NEXT_ARG(); 33285eae222d252546435bb5638b15d46ccfc9df32aPatrick McHardy addattr_l(&req.n, sizeof(req), FRA_OIFNAME, *argv, strlen(*argv)+1); 333aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } else if (strcmp(*argv, "nat") == 0 || 334aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger matches(*argv, "map-to") == 0) { 335aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger NEXT_ARG(); 336526afe400887be9b3168ef3c92c6b6ec3e184f5fnet[shemminger]!shemminger fprintf(stderr, "Warning: route NAT is deprecated\n"); 337aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger addattr32(&req.n, sizeof(req), RTA_GATEWAY, get_addr32(*argv)); 338aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger req.r.rtm_type = RTN_NAT; 339b7a3df0f3c56c10587e926307daaa87fc3b854bfLorenzo Colitti } else if (strcmp(*argv, "uidrange") == 0) { 340b7a3df0f3c56c10587e926307daaa87fc3b854bfLorenzo Colitti __u32 uid_start, uid_end; 341b7a3df0f3c56c10587e926307daaa87fc3b854bfLorenzo Colitti NEXT_ARG(); 342b7a3df0f3c56c10587e926307daaa87fc3b854bfLorenzo Colitti if (sscanf(*argv, "%u-%u", &uid_start, &uid_end) != 2) 343b7a3df0f3c56c10587e926307daaa87fc3b854bfLorenzo Colitti invarg("UID range is invalid\n", *argv); 344b7a3df0f3c56c10587e926307daaa87fc3b854bfLorenzo Colitti addattr32(&req.n, sizeof(req), FRA_UID_START, uid_start); 345b7a3df0f3c56c10587e926307daaa87fc3b854bfLorenzo Colitti addattr32(&req.n, sizeof(req), FRA_UID_END, uid_end); 346aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } else { 347aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int type; 348aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 349aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (strcmp(*argv, "type") == 0) { 350aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger NEXT_ARG(); 351aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 352aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (matches(*argv, "help") == 0) 353aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger usage(); 3546b469caefd0fd8ff52a43308d7a47a75fb05a3deThomas Graf else if (matches(*argv, "goto") == 0) { 3556b469caefd0fd8ff52a43308d7a47a75fb05a3deThomas Graf __u32 target; 3566b469caefd0fd8ff52a43308d7a47a75fb05a3deThomas Graf type = FR_ACT_GOTO; 3576b469caefd0fd8ff52a43308d7a47a75fb05a3deThomas Graf NEXT_ARG(); 3586b469caefd0fd8ff52a43308d7a47a75fb05a3deThomas Graf if (get_u32(&target, *argv, 0)) 3596b469caefd0fd8ff52a43308d7a47a75fb05a3deThomas Graf invarg("invalid target\n", *argv); 3606b469caefd0fd8ff52a43308d7a47a75fb05a3deThomas Graf addattr32(&req.n, sizeof(req), FRA_GOTO, target); 3616b469caefd0fd8ff52a43308d7a47a75fb05a3deThomas Graf } else if (matches(*argv, "nop") == 0) 3626b469caefd0fd8ff52a43308d7a47a75fb05a3deThomas Graf type = FR_ACT_NOP; 3636b469caefd0fd8ff52a43308d7a47a75fb05a3deThomas Graf else if (rtnl_rtntype_a2n(&type, *argv)) 364aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger invarg("Failed to parse rule type", *argv); 365aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger req.r.rtm_type = type; 3666b469caefd0fd8ff52a43308d7a47a75fb05a3deThomas Graf table_ok = 1; 367aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 368aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger argc--; 369aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger argv++; 370aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 371aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 372aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (req.r.rtm_family == AF_UNSPEC) 373aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger req.r.rtm_family = AF_INET; 374aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 375aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (!table_ok && cmd == RTM_NEWRULE) 376aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger req.r.rtm_table = RT_TABLE_MAIN; 377aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 378cd70f3f522e04b4d2fa80ae10292379bf223a53bStephen Hemminger if (rtnl_talk(&rth, &req.n, 0, 0, NULL) < 0) 379aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return 2; 380aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 381aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return 0; 382aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 383aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 38450772dc51ac02239958e1ebcdb21277fcdf133a7osdl.net!shemminger 38550772dc51ac02239958e1ebcdb21277fcdf133a7osdl.net!shemmingerstatic int flush_rule(const struct sockaddr_nl *who, struct nlmsghdr *n, void *arg) 38650772dc51ac02239958e1ebcdb21277fcdf133a7osdl.net!shemminger{ 387b77caeba0e8809c8e3d22d0cbea42e41f5522fdfshemminger struct rtnl_handle rth2; 38850772dc51ac02239958e1ebcdb21277fcdf133a7osdl.net!shemminger struct rtmsg *r = NLMSG_DATA(n); 38950772dc51ac02239958e1ebcdb21277fcdf133a7osdl.net!shemminger int len = n->nlmsg_len; 390ad1a12dbd023946695caade199707aaafa6cc560Patrick McHardy struct rtattr * tb[FRA_MAX+1]; 39150772dc51ac02239958e1ebcdb21277fcdf133a7osdl.net!shemminger 39250772dc51ac02239958e1ebcdb21277fcdf133a7osdl.net!shemminger len -= NLMSG_LENGTH(sizeof(*r)); 39350772dc51ac02239958e1ebcdb21277fcdf133a7osdl.net!shemminger if (len < 0) 39450772dc51ac02239958e1ebcdb21277fcdf133a7osdl.net!shemminger return -1; 39550772dc51ac02239958e1ebcdb21277fcdf133a7osdl.net!shemminger 396ad1a12dbd023946695caade199707aaafa6cc560Patrick McHardy parse_rtattr(tb, FRA_MAX, RTM_RTA(r), len); 39750772dc51ac02239958e1ebcdb21277fcdf133a7osdl.net!shemminger 398ad1a12dbd023946695caade199707aaafa6cc560Patrick McHardy if (tb[FRA_PRIORITY]) { 39950772dc51ac02239958e1ebcdb21277fcdf133a7osdl.net!shemminger n->nlmsg_type = RTM_DELRULE; 40050772dc51ac02239958e1ebcdb21277fcdf133a7osdl.net!shemminger n->nlmsg_flags = NLM_F_REQUEST; 40150772dc51ac02239958e1ebcdb21277fcdf133a7osdl.net!shemminger 402b77caeba0e8809c8e3d22d0cbea42e41f5522fdfshemminger if (rtnl_open(&rth2, 0) < 0) 403b77caeba0e8809c8e3d22d0cbea42e41f5522fdfshemminger return -1; 404b77caeba0e8809c8e3d22d0cbea42e41f5522fdfshemminger 405cd70f3f522e04b4d2fa80ae10292379bf223a53bStephen Hemminger if (rtnl_talk(&rth2, n, 0, 0, NULL) < 0) 40650772dc51ac02239958e1ebcdb21277fcdf133a7osdl.net!shemminger return -2; 407b77caeba0e8809c8e3d22d0cbea42e41f5522fdfshemminger 408b77caeba0e8809c8e3d22d0cbea42e41f5522fdfshemminger rtnl_close(&rth2); 40950772dc51ac02239958e1ebcdb21277fcdf133a7osdl.net!shemminger } 41050772dc51ac02239958e1ebcdb21277fcdf133a7osdl.net!shemminger 41150772dc51ac02239958e1ebcdb21277fcdf133a7osdl.net!shemminger return 0; 41250772dc51ac02239958e1ebcdb21277fcdf133a7osdl.net!shemminger} 41350772dc51ac02239958e1ebcdb21277fcdf133a7osdl.net!shemminger 41450772dc51ac02239958e1ebcdb21277fcdf133a7osdl.net!shemmingerstatic int iprule_flush(int argc, char **argv) 41550772dc51ac02239958e1ebcdb21277fcdf133a7osdl.net!shemminger{ 41650772dc51ac02239958e1ebcdb21277fcdf133a7osdl.net!shemminger int af = preferred_family; 41750772dc51ac02239958e1ebcdb21277fcdf133a7osdl.net!shemminger 41850772dc51ac02239958e1ebcdb21277fcdf133a7osdl.net!shemminger if (af == AF_UNSPEC) 41950772dc51ac02239958e1ebcdb21277fcdf133a7osdl.net!shemminger af = AF_INET; 42050772dc51ac02239958e1ebcdb21277fcdf133a7osdl.net!shemminger 42150772dc51ac02239958e1ebcdb21277fcdf133a7osdl.net!shemminger if (argc > 0) { 422660818498d0f5a3f52c05355a3e82c23f670fcc1shemminger fprintf(stderr, "\"ip rule flush\" does not allow arguments\n"); 42350772dc51ac02239958e1ebcdb21277fcdf133a7osdl.net!shemminger return -1; 42450772dc51ac02239958e1ebcdb21277fcdf133a7osdl.net!shemminger } 42550772dc51ac02239958e1ebcdb21277fcdf133a7osdl.net!shemminger 42650772dc51ac02239958e1ebcdb21277fcdf133a7osdl.net!shemminger if (rtnl_wilddump_request(&rth, af, RTM_GETRULE) < 0) { 42750772dc51ac02239958e1ebcdb21277fcdf133a7osdl.net!shemminger perror("Cannot send dump request"); 42850772dc51ac02239958e1ebcdb21277fcdf133a7osdl.net!shemminger return 1; 42950772dc51ac02239958e1ebcdb21277fcdf133a7osdl.net!shemminger } 43050772dc51ac02239958e1ebcdb21277fcdf133a7osdl.net!shemminger 431cd70f3f522e04b4d2fa80ae10292379bf223a53bStephen Hemminger if (rtnl_dump_filter(&rth, flush_rule, NULL) < 0) { 43250772dc51ac02239958e1ebcdb21277fcdf133a7osdl.net!shemminger fprintf(stderr, "Flush terminated\n"); 43350772dc51ac02239958e1ebcdb21277fcdf133a7osdl.net!shemminger return 1; 43450772dc51ac02239958e1ebcdb21277fcdf133a7osdl.net!shemminger } 43550772dc51ac02239958e1ebcdb21277fcdf133a7osdl.net!shemminger 43650772dc51ac02239958e1ebcdb21277fcdf133a7osdl.net!shemminger return 0; 43750772dc51ac02239958e1ebcdb21277fcdf133a7osdl.net!shemminger} 43850772dc51ac02239958e1ebcdb21277fcdf133a7osdl.net!shemminger 439aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerint do_iprule(int argc, char **argv) 440aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 441aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (argc < 1) { 442aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return iprule_list(0, NULL); 443aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } else if (matches(argv[0], "list") == 0 || 444aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger matches(argv[0], "lst") == 0 || 445aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger matches(argv[0], "show") == 0) { 446aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return iprule_list(argc-1, argv+1); 447aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } else if (matches(argv[0], "add") == 0) { 448aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return iprule_modify(RTM_NEWRULE, argc-1, argv+1); 449aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } else if (matches(argv[0], "delete") == 0) { 450aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return iprule_modify(RTM_DELRULE, argc-1, argv+1); 45150772dc51ac02239958e1ebcdb21277fcdf133a7osdl.net!shemminger } else if (matches(argv[0], "flush") == 0) { 45250772dc51ac02239958e1ebcdb21277fcdf133a7osdl.net!shemminger return iprule_flush(argc-1, argv+1); 453aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } else if (matches(argv[0], "help") == 0) 454aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger usage(); 455aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 456aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(stderr, "Command \"%s\" is unknown, try \"ip rule help\".\n", *argv); 457aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger exit(-1); 458aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 459aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 460b6c8e808fcea80da8bb97078ff942a0b9001e1c1Patrick McHardyint do_multirule(int argc, char **argv) 461b6c8e808fcea80da8bb97078ff942a0b9001e1c1Patrick McHardy{ 462b6c8e808fcea80da8bb97078ff942a0b9001e1c1Patrick McHardy switch (preferred_family) { 463b6c8e808fcea80da8bb97078ff942a0b9001e1c1Patrick McHardy case AF_UNSPEC: 464b6c8e808fcea80da8bb97078ff942a0b9001e1c1Patrick McHardy case AF_INET: 465b6c8e808fcea80da8bb97078ff942a0b9001e1c1Patrick McHardy preferred_family = RTNL_FAMILY_IPMR; 466b6c8e808fcea80da8bb97078ff942a0b9001e1c1Patrick McHardy break; 467b6c8e808fcea80da8bb97078ff942a0b9001e1c1Patrick McHardy case AF_INET6: 468b6c8e808fcea80da8bb97078ff942a0b9001e1c1Patrick McHardy preferred_family = RTNL_FAMILY_IP6MR; 469b6c8e808fcea80da8bb97078ff942a0b9001e1c1Patrick McHardy break; 4700d1c9b570a40e3eef8c053a229713ac9344a4f83Ben Greear case RTNL_FAMILY_IPMR: 4710d1c9b570a40e3eef8c053a229713ac9344a4f83Ben Greear case RTNL_FAMILY_IP6MR: 4720d1c9b570a40e3eef8c053a229713ac9344a4f83Ben Greear break; 473b6c8e808fcea80da8bb97078ff942a0b9001e1c1Patrick McHardy default: 4740d1c9b570a40e3eef8c053a229713ac9344a4f83Ben Greear fprintf(stderr, "Multicast rules are only supported for IPv4/IPv6, was: %i\n", 4750d1c9b570a40e3eef8c053a229713ac9344a4f83Ben Greear preferred_family); 476b6c8e808fcea80da8bb97078ff942a0b9001e1c1Patrick McHardy exit(-1); 477b6c8e808fcea80da8bb97078ff942a0b9001e1c1Patrick McHardy } 478b6c8e808fcea80da8bb97078ff942a0b9001e1c1Patrick McHardy 479b6c8e808fcea80da8bb97078ff942a0b9001e1c1Patrick McHardy return do_iprule(argc, argv); 480b6c8e808fcea80da8bb97078ff942a0b9001e1c1Patrick McHardy} 481